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Finding the Third Proportional to 54,621,489 and 117,033,978

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Solution

The third proportional to 54,621,489 and 117,033,978 is: 250,761,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621,489 : 117,033,978 = 117,033,978 : x
  2. Step 2: Convert to fraction form
    54,621,489/117,033,978 = 117,033,978/x
  3. Step 3: Cross multiply
    54,621,489x = 117,033,978 × 117,033,978
  4. Step 4: Simplify right side
    54,621,489x = 13,696,952,006,504,484
  5. Step 5: Solve for x
    x = 13,696,952,006,504,484/54,621,489
  6. Step 6: Final answer
    x = 250,761,234.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.